Need help on strace output

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http://www.unix.com – Hi All, Good day, need some help on strace result. We're encountering oracle Database server connection slowness (using sqlplus login to db server, there have 1 or 2 secs delay) we had generated strace and provide to oracle to investigate, and they told us it look like OS problem (Our OS is Red Hat Enterprise Linux Server release 5.6 (Tikanga). Oracle support told us it is "A slow mmap function should be checked with OS support." Base on strace, the slowness encounter "mmap" and ..read resumed NTP0" Code: 14729      0.000101 chdir("/u (HowTos)